For citations:
Talipov A.A., Shmelev A.G., Shukhin A.A., Latypov I.Z. Generation of pure single-photon states in commercial photonic-crystal fibers on telecommunication frequencies. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(3):347-350. https://doi.org/10.17586/2220-8054-2017-8-3-347-350